/*
 *  tracker/ScopesControl.h
 *
 *  Copyright 2009 Peter Barth
 *
 *  This file is part of Milkytracker.
 *
 *  Milkytracker is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  Milkytracker is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Milkytracker.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 *  ScopesControl.h
 *  MilkyTracker
 *
 *  Created by Peter Barth on 28.10.05.
 *
 */

#ifndef SCOPESCONTROL__H
#define SCOPESCONTROL__H

#include "BasicTypes.h"
#include "Control.h"
#include "Event.h"
#include "TrackerConfig.h"

// Forwards
class PPButton;
class PPGraphicsAbstract;
class PPFont;
class PPControl;
class PlayerController;

class ScopesControl : public PPControl
{
    public:
        enum ClickTypes
        {
            ClickTypeMute,
            ClickTypeSolo,
            ClickTypeRec,
            ClickTypeSingleRec
        };

        enum AppearanceTypes
        {
            AppearanceTypeNormal,
            AppearanceTypeSolid,
            AppearanceTypeLines
        };
    private:
        PPColor color;

        bool border;
        PPColor ourOwnBorderColor;
        const PPColor* borderColor;

        PPButton* backgroundButton;

        // extent
        pp_int32 visibleWidth;
        pp_int32 visibleHeight;

        PlayerController* playerController;

        pp_int32 numChannels;
        pp_int32 channelWidthTable[TrackerConfig::MAXCHANNELS];
        bool onOffState[TrackerConfig::MAXCHANNELS];
        bool zeroVolumeState[TrackerConfig::MAXCHANNELS];
        pp_uint8 muteChannels[TrackerConfig::MAXCHANNELS];
        pp_uint8 lastMuteChannels[TrackerConfig::MAXCHANNELS];
        pp_uint8 recChannels[TrackerConfig::MAXCHANNELS];
        pp_uint8 lastRecChannels[TrackerConfig::MAXCHANNELS];
        pp_int32 lastNumChannels;
        PPFont* font;
        PPFont* smallFont;

        pp_int32 lMouseDownInChannel, rMouseDownInChannel;
        bool didSoloChannel;

        bool enabled;

        AppearanceTypes appearance;

        ClickTypes currentClickType;
    public:
        enum ChangeValueTypes
        {
            ChangeValueMuting,
            ChangeValueRecording
        };

        ScopesControl (pp_int32 id,
                       PPScreen* parentScreen,
                       EventListenerInterface* eventListener,
                       const PPPoint& location, const PPSize& size,
                       bool border = true);

        virtual ~ScopesControl ();

        void setColor(pp_int32 r, pp_int32 g, pp_int32 b) {
            color.r = r; color.g = g; color.b = b;
        }
        void setColor(PPColor color) {
            this->color = color;
        }

        void setBorderColor(const PPColor& color) {
            this->borderColor = &color;
        }

        // from PPControl
        virtual void paint(PPGraphicsAbstract* graphics);

        virtual pp_int32 dispatchEvent(PPEvent* event);

        void attachSource(PlayerController* playerController);

        void setNumChannels(pp_int32 numChannels) {
            this->numChannels = numChannels;
        }

        bool needsUpdate();
        void enable(bool b) {
            enabled = b;
        }

        void muteChannel(pp_int32 index, bool b) {
            muteChannels[index] = (b ? 1 : 0);
        }
        void recordChannel(pp_int32 index, bool b) {
            recChannels[index] = (b ? 1 : 0);
        }

        bool isSoloChannel(pp_int32 c) const;
        bool isSingleRecChannel(pp_int32 c) const;

        void handleMute(pp_int32 channel);
        void handleSolo(pp_int32 channel);
        void handleRec(pp_int32 channel);
        void handleSingleRec(pp_int32 channel);

        void handleUnmuteAll();

        void setCurrentClickType(ClickTypes type) {
            currentClickType = type;
        }
        ClickTypes getCurrentClickType() const {
            return currentClickType;
        }

        void setAppearance(AppearanceTypes appearance) {
            this->appearance = appearance;
        }
        AppearanceTypes getAppearance() const {
            return appearance;
        }
    private:
        pp_int32 pointToChannel(const PPPoint& pt);

        pp_int32 WRAPCHANNELS();
};


#endif